Optional ReadonlycontentIndicates the type of content, for example application/pdf.
Optional ReadonlydimensionsWidth and height of the AssetSource.
Optional ReadonlykeyUser-defined identifier of the AssetSource. Must be unique per Asset.
ReadonlyuriURI of the AssetSource.
Representation of an Asset in a specific format, for example a video in a certain encoding, or an image in a certain resolution.